1. Divisions of Hospital Medicine,
2. Biostatistics and Epidemiology, and
3. Sections of Emergency Medicine and Infectious Diseases, Baylor College of Medicine, Houston, Texas;
4. Division of Emergency Medicine, Boston Children’s Hospital, Boston, Massachusetts;
5. Sections of Pediatric Emergency Medicine and Gastroenterology, Department of Pediatrics, Alberta Children’s Hospital Research Institute, Alberta Children’s Hospital, Cumming School of Medicine, University of Calgary, Calgary, Canada;
6. Warren Alpert Medical School, Brown University, Providence, Rhode Island;
7. Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania;
8. School of Medicine, University of Colorado, Aurora, Colorado;
9. Children’s Hospitals and Clinics of Minnesota, Minneapolis, Minnesota;
10. Departments of Emergency Medicine and Pediatrics, School of Medicine, University of California, San Diego and Rady Children’s Hospital–San Diego, San Diego, California; and
11. University of Toronto, Toronto, Canada
12. Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio;